Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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Dirksen Senate Office Building
The Dirksen Senate Office Building was the second of three office buildings...

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Map of Capitol Hill
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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Dr. William Thornton
 The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Cleaning National Garden
The National Garden is a treasure for everyone.